Vantilation
换气,通风,空气的流通,通风设备
🗣️ 情景例句
I really appreciate all of your hospitality.
十分感谢您的款待。
I eat dinner at about 7 o'clock.
我在大约7点钟吃晚饭。
How do you do ? Are you having a nice time in Beijing?
你好！你在北京玩得愉快吗？